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Infrared sauna, cold plunge tub, and red light panel in a dark recovery room

THE RESEARCH BRIEF

The research behind heat, cold, and light.

Each protocol, examined session by session against the published studies behind it. What the research shows, what it does not, and how to read the difference.

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The Research Brief

A stone cold plunge basin with icy water and snow on the rim

Cold Plunge: Temperature, Duration, and What Is Actually Happening

A stone cold plunge basin with icy water and snow on the rim
Cold Plunge

Cold Plunge: Temperature, Duration, and What Is Actually Happening

Chiller vs ice, the 50 to 59F range, the cold shock response and how it fades, what the recovery research shows, and the safety checks that are not optional.

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